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Tamron Announces Launch of the 17-35mm f/2.8-4 Di OSD for Canon
From Tamron:
September 4, 2018, Saitama, Japan – Tamron Co., Ltd. (President & CEO: Shiro Ajisaka), a leading manufacturer of optics for diverse applications, announces the launch of the 17-35mm F/2.8-4 Di OSD (Model A037) for Canon mount.
DATE OF LAUNCH: October 2, 2018
Specifications:
| Model | A037 |
| Focal Length | 17-35mm |
| Maximum Aperture | F/2.8-4 |
| Angle of View (diagonal) | 103°41'-63°26' (for full-frame DSLR cameras) 78°46'-43°29' (for APS-C format DSLR cameras) |
| Optical Construction | 15 elements in 10 groups |
| Minimum Object Distance | 0.28m (11 in) full zoom range |
| Maximum Magnification Ratio | 1:4.9 (f=35mm) |
| Filter Size | 77mm |
| Maximum Diameter | 83.6mm (3.3 in) |
| Length* | 92.5mm (3.6 in) |
| Weight | 460g (16.2 oz) |
| Aperture Blades | 7 (circular diaphragm)** |
| Minimum Aperture | F/16-22 |
| Standard Accessories | Lens hood, Lens caps |
* Length is the distance from the front tip of the lens to the lens mount face.
**The circular diaphragm stays almost perfectly circular up to two stops down from maximum aperture.
B&H has the Tamron 17-35mm f/2.8-4 Di OSD for Canon available for preorder.
Posted: 9/4/2018 8:48:20 AM ET Posted By: Sean
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